Answer:
The answer is "
"
Step-by-step explanation:
Area of every face:


count overlaps and times by 2:
So,

There are 12 unpainted faces each face is

Right answer is 1.4013841
Answer:
B
Step-by-step explanation:
Answer:
no it can't because
Step-by-step explanation:
coz the sum of any two angle should be greater than 3rd side
- 13 + 5 = 18 which is greater than 7
- 13 + 7 = 20 which is greater than 5
- 5 + 7 = 12 which is not greater than 13
so triangle cant be made
Taking v to be y, it's written in the standard form for a linear equation, y=mx+c